Convert pound-force to kilogram-force

Please provide values below to convert pound-force [lbf] to kilogram-force [kgf], or Convert kilogram-force to pound-force.

1 lbf = 0.453592370483 kgf. To convert pound-force to kilogram-force, multiply the value by 0.453592370483; to go the other way, divide by it (1 kgf = 2.2046226195 lbf). Both units measure force and appear in everyday as well as technical calculations, so switching between them quickly is often useful.

Quick Reference

  • 1 lbf = 0.453592370483 kgf
  • 1 kgf = 2.2046226195 lbf
  • 10 lbf = 4.53592370483 kgf
  • 100 lbf = 45.3592370483 kgf



How to Convert Pound-Force to Kilogram-Force

1 lbf = 0.453592370483295 kgf

Example: convert 15 lbf to kgf:
15 lbf = 15 × 0.453592370483295 kgf = 6.80388555724942 kgf


Pound-Force to Kilogram-Force Conversion Table

pound-force kilogram-force
1 lbf 0.453592370483 kgf
2 lbf 0.907184740967 kgf
3 lbf 1.36077711145 kgf
5 lbf 2.26796185242 kgf
10 lbf 4.53592370483 kgf
20 lbf 9.07184740967 kgf
50 lbf 22.6796185242 kgf
100 lbf 45.3592370483 kgf
500 lbf 226.796185242 kgf
1000 lbf 453.592370483 kgf

Pound-Force

Pound-force (lbf) is a unit of force in the imperial system, defined as the force required to accelerate a one-pound mass at a rate of 32.174 feet per second squared.

History/Origin

The pound-force originated from the British Imperial system and has been used historically in engineering and physics to quantify force, especially in the United States and the UK, before the widespread adoption of the SI system.

Current Use

Today, pound-force is primarily used in the United States and some other countries for engineering, manufacturing, and mechanical applications where imperial units are still prevalent, often in contexts like specifying engine torque or structural loads.


Kilogram-Force

Kilogram-force (kgf) is a unit of force defined as the force exerted by one kilogram of mass in standard gravity, approximately equal to 9.80665 newtons.

History/Origin

The kilogram-force was historically used in engineering and physics to express forces in terms of the mass unit kilogram and the acceleration due to gravity. It was more common before the widespread adoption of the newton as the standard SI unit of force.

Current Use

Kilogram-force is largely obsolete in scientific contexts and has been replaced by the newton in the International System of Units (SI). However, it may still be encountered in certain engineering fields or older documentation, especially in regions or industries that use customary units.


Frequently Asked Questions

What is 1 pound-force in kilogram-force?

1 pound-force (lbf) = 0.453592370483 kilogram-force (kgf).

How do you convert pound-force to kilogram-force?

Multiply the pound-force value by 0.453592370483. For example, 25 lbf × 0.453592370483 = 11.3398092621 kgf.

What is 10 pound-force in kilogram-force?

10 lbf = 4.53592370483 kgf.

Which unit is larger, the pound-force or the kilogram-force?

The kilogram-force is the larger unit: 1 lbf equals only 0.453592370483 kgf.